The invention discloses a side-suction-type range hood. The range hood comprises a box body, a panel, a lampblack isolation screen and an oil trough, the panel is fixed to the box body, the lampblackisolation screen is installed on the panel, an air inlet is formed in the panel, and an oil trough cover is installed on the panel; after the oil trough is formed in the oil trough cover and the air inlet is formed in the lampblack isolation screen, the lampblack isolation screen can be opened in the manners of lifting and lowering, rotating and the like to expose of conceal the air inlet, and theoil trough and the air inlet are invisible under the situation that the lampblack isolation screen is closed when the range hood is observed from the front face. Compared with the prior art, the front face of the range hood is integrally arranged, a flat and complete face without high difference is formed by the oil trough cover and the lampblack isolation screen above the panel, so that the integrated sense of the range hood is stronger, the appearance of the range hood is attractive and elegance, and cleaning is convenient.